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2014•Canadian Journal of PhysicsRequires access

Comment on “Generation of a superposition of coherent states in a resonant cavity and its nonclassicality and decoherence”

Gang Ren

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Abstract

Arpita Ghosh and P.K. Das (Can. J. Phys. 86: 811 (2008) doi:10.1139/p08-013 ) derived an analytic expression for the Wigner function of a superposition of coherent state. We point out the incorrectness of this result.

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Arpita Ghosh and P.K. Das (Can. J. Phys. 86: 811 (2008) doi:10.1139/p08-013 ) derived an analytic expression for the Wigner function of a superposition of coherent state. We point out the incorrectness of this result.

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Available abstract

Arpita Ghosh and P.K. Das (Can. J. Phys. 86: 811 (2008) doi:10.1139/p08-013 ) derived an analytic expression for the Wigner function of a superposition of coherent state. We point out the incorrectness of this result.

Key concepts: Physics, Superposition principle, Quantum decoherence, Wigner distribution function, Quantum mechanics, Coherent states, State (computer science), Function (biology)

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